Optical communication system, earth station device, satellite station device, and communication method
An optical communication system using RF and optical signals for earth-satellite communication reduces satellite station device size and power consumption while enhancing feeder link capacity, addressing existing challenges in conventional systems.
EP4753172A1Pending Publication Date: 2026-06-03SUMITOMO ELECTRIC INDUSTRIES LTD
Patent Information
- Authority / Receiving Office
- EP · EP
- Patent Type
- Applications
- Current Assignee / Owner
- SUMITOMO ELECTRIC INDUSTRIES LTD
- Filing Date
- 2024-06-13
- Publication Date
- 2026-06-03
Smart Images
Figure IMGAF001_ABST
Abstract
An optical communication system includes: an earth station device; and a satellite station device configured to perform a relay process of relaying information that is transmitted and received between a communication terminal and the earth station device. In the relay process, the satellite station device performs information transmission with the communication terminal, using RF (Radio Frequency) signals, and performs information transmission with the earth station device, using optical signals including analog signals.
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